Search Results for author: Xinyi Yan

Found 3 papers, 2 papers with code

Predicting Efficiency/Effectiveness Trade-offs for Dense vs. Sparse Retrieval Strategy Selection

no code implementations22 Sep 2021 Negar Arabzadeh, Xinyi Yan, Charles L. A. Clarke

These hybrid retrievers leverage low-cost, exact-matching based sparse retrievers along with dense retrievers to bridge the semantic gaps between query and documents.

Information Retrieval

Shallow pooling for sparse labels

1 code implementation31 Aug 2021 Negar Arabzadeh, Alexandra Vtyurina, Xinyi Yan, Charles L. A. Clarke

To test this observation, we employed crowdsourced workers to make preference judgments between the top item returned by a modern neural ranking stack and a judged relevant item.

Passage Ranking

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